Middleby Marshall PS360E Series, Owner'S Operating & Installation Manual

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SECTION 5
TROUBLESHOOTING
45
SECTION 5
TROUBLESHOOTING
QUICK REFERENCE
SYMPTOM PROBABLE CAUSES SOLUTIONS
Nothing displayed on controller 1. Power not connected
2. Main breaker not on
3. Control circuit breaker tripped
1. Check plug at wall.
2. Check main breaker.
3. Check control breaker.
Control display is dim and the
WOW OVEN image can be
seen
Control is in OFF/STANDBY
mode.
No problem – the control backlight turns
off when the oven is not turned on for
use. Press I/O button.
Oven not baking properly 1. Settings have been changed
2. Kitchen airflow conditions
affecting the bake
1. Confirm correct values and check
that the oven is set properly (time
and temperature).
2. Eliminate air cross-currents in area.
Conveyor noticeably running at
the wrong speed
Time settings have been changed Confirm correct values and correct
control settings.
Conveyor not moving 1. Something has jammed the
conveyor
2. Circuit breaker has tripped
3. Chain has come loose from
the sprocket
1. Turn power off. Locate and remove
jam item.
2. Check conveyor for jamming and
Reset the breaker (right side control
door).
3. With power OFF, remove chain
cover, replace chain onto sprocket
and replace chain cover.
“BAKING” indication goes on
and off in upper left corner of
the control display
Oven is cycling normally. BAKING
indication comes on upon
triggering the photo eye.
No problem – the timed baking cycle
automatically starts when product breaks
the photo eye beam and stops after
product leaves the baking chamber.
Oven does not enter BAKING
mode when product is placed
on the belt.
Photo eye not working. Enter BLOWER CONFIGURATION menu
(manager access) and turn Energy Mode
to OFF. Oven will now run in BAKING
mode all the time. Call service to
schedule repair.
Baked product comes out
underdone.
Photo eye not working. Check to
see if BAKING appears on display
when photo eye beam is
interrupted
Enter BLOWER CONFIGURATION menu
(manager access) and turn Energy Mode
to OFF. Oven will now run in BAKING
mode all the time. Call service to
schedule repair.